Ormerod, P., S. Chantanaorrapint, and H. Kurzweil. “Cephalantheropsis Longipes (Orchidaceae), a New Record for Peninsular Thailand”. Thai Forest Bulletin (Botany), no. 40, Nov. 2014, pp. 118-20, https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24165.